Question

What is plastic? Write names of main plastic polymers.

Answer 1

Answer:

heya..

here is ur answer..

Plastics are often referred to by the acronyms for their chemical formulas:

Polyethylene terephthalate: PET or PETE.

High-density polyethylene: HDPE.

Polyvinyl chloride: PVC.

Polypropylene: PP.

Polystyrene: PS.

Low-density polyethylene: LDPE.

i hope its help u..☺

Answer 2

Answer:

Geographical features are naturally-created features of the Earth. Natural geographical features consist of landforms and ecosystems. For example, terrain types, (physical factors of the environment) are natural geographical features. Conversely, human settlements or other engineered forms are considered types of artificial geographical features